_Clients_ are not affected in terms of delay pools when fetching object
already in the cache or when fetching objects which the cache then fetches
the object from a no-delay _peer_.

Delay pools only delay the incoming objects which are associated with
the clients. Also, delay pools of multiple clients waiting on the same
clients are accumulated so that that object is fetched more quickly when
multiple people are trying to get it. The other way around is also true,
if one client is trying to get a number of objects then their pool is
spread across those objects.